274 lines
6.7 KiB
C
274 lines
6.7 KiB
C
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/********************************** (C) COPYRIGHT *******************************
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* File Name : CH59x_adc.h
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* Author : WCH
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* Version : V1.2
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* Date : 2021/11/17
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* Description
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#ifndef __CH59x_ADC_H__
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#define __CH59x_ADC_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define ROM_CFG_TMP_25C 0x7F014
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/**
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* @brief adc single channel define
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*/
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typedef enum
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{
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CH_EXTIN_0 = 0, // ADC 外部模拟通道 0
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CH_EXTIN_1, // ADC 外部模拟通道 1
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CH_EXTIN_2, // ADC 外部模拟通道 2
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CH_EXTIN_3, // ADC 外部模拟通道 3
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CH_EXTIN_4, // ADC 外部模拟通道 4
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CH_EXTIN_5, // ADC 外部模拟通道 5
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CH_EXTIN_6, // ADC 外部模拟通道 6
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CH_EXTIN_7, // ADC 外部模拟通道 7
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CH_EXTIN_8, // ADC 外部模拟通道 8
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CH_EXTIN_9, // ADC 外部模拟通道 9
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CH_EXTIN_10, // ADC 外部模拟通道 10
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CH_EXTIN_11, // ADC 外部模拟通道 11
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CH_EXTIN_12, // ADC 外部模拟通道 12
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CH_EXTIN_13, // ADC 外部模拟通道 13
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CH_INTE_VBAT = 14, // ADC 内部电池检测通道
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CH_INTE_VTEMP = 15, // ADC 内部温度传感器检测通道
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} ADC_SingleChannelTypeDef;
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/**
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* @brief adc differential channel define
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*/
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typedef enum
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{
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CH_DIFF_0_2 = 0, // ADC 差分通道 #0-#2
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CH_DIFF_1_3, // ADC 差分通道 #1-#3
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} ADC_DiffChannelTypeDef;
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/**
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* @brief adc sampling clock
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*/
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typedef enum
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{
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SampleFreq_3_2 = 0, // 3.2M 采样频率
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SampleFreq_8, // 8M 采样频率
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SampleFreq_5_33, // 5.33M 采样频率
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SampleFreq_4, // 4M 采样频率
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} ADC_SampClkTypeDef;
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/**
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* @brief adc signal PGA
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*/
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typedef enum
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{
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ADC_PGA_1_4 = 0, // -12dB, 1/4倍
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ADC_PGA_1_2, // -6dB, 1/2倍
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ADC_PGA_0, // 0dB, 1倍，无增益
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ADC_PGA_2, // 6dB, 2倍
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ADC_PGA_2_ = 0x10, // 6dB, 2倍
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ADC_PGA_4, // 12dB, 4倍
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ADC_PGA_8, // 18dB, 8倍
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ADC_PGA_16, // 24dB, 16倍
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} ADC_SignalPGATypeDef;
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/**
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* @brief Configuration DMA mode
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*/
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typedef enum
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{
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ADC_Mode_Single = 0, // 单次模式
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ADC_Mode_LOOP, // 循环模式
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} ADC_DMAModeTypeDef;
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/**
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* @brief 设置 ADC 采样通道
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*
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* @param d - refer to ADC_SingleChannelTypeDef
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*/
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#define ADC_ChannelCfg(d) (R8_ADC_CHANNEL = d)
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/**
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* @brief 设置 ADC 采样时钟
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*
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* @param d - refer to ADC_SampClkTypeDef
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*/
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#define ADC_SampClkCfg(d) (R8_ADC_CFG = R8_ADC_CFG & (~RB_ADC_CLK_DIV) | (d << 6))
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/**
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* @brief 设置 ADC 信号增益
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*
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* @param d - refer to ADC_SignalPGATypeDef
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*/
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#define ADC_PGACfg(d) (R8_ADC_CFG = R8_ADC_CFG & (~RB_ADC_PGA_GAIN) | (d << 4))
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/**
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* @brief 设置内部温度传感器校准值
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*
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* @param d - 校准值
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*/
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#define ADC_TempCalibCfg(d) (R8_TEM_SENSOR = R8_TEM_SENSOR & (~RB_TEM_SEN_CALIB) | d)
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/**
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* @brief 外部信号单通道采样初始化
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*
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* @param sp - refer to ADC_SampClkTypeDef
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* @param ga - refer to ADC_SignalPGATypeDef
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*/
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void ADC_ExtSingleChSampInit(ADC_SampClkTypeDef sp, ADC_SignalPGATypeDef ga);
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/**
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* @brief 外部信号差分通道采样初始化
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*
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* @param sp - refer to ADC_SampClkTypeDef
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* @param ga - refer to ADC_SignalPGATypeDef
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*/
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void ADC_ExtDiffChSampInit(ADC_SampClkTypeDef sp, ADC_SignalPGATypeDef ga);
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/**
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* @brief 触摸按键通道采样初始化
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*/
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void TouchKey_ChSampInit(void);
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/**
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* @brief 关闭TouchKey电源
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*/
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#define TouchKey_DisableTSPower() (R8_TKEY_CFG &= ~RB_TKEY_PWR_ON)
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/**
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* @brief 内置温度传感器采样初始化
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*/
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void ADC_InterTSSampInit(void);
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/**
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* @brief 关闭温度传感器电源
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*/
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#define ADC_DisableTSPower() (R8_TEM_SENSOR = 0)
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/**
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* @brief 内置电池电压采样初始化
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*/
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void ADC_InterBATSampInit(void);
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/**
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* @brief ADC执行单次转换
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*
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* @return ADC转换后的数据
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*/
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uint16_t ADC_ExcutSingleConver(void);
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/**
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* @brief 采样数据粗调,获取偏差值,必须先配置ADC后调用此函数获取校准值
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*
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* @return 偏差
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*/
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signed short ADC_DataCalib_Rough(void);
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/**
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* @brief TouchKey转换后数据
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*
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* @param charg - Touchkey充电时间,5bits有效, t=charg*Tadc
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* @param disch - Touchkey放电时间,3bits有效, t=disch*Tadc
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*
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* @return 当前TouchKey等效数据
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*/
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uint16_t TouchKey_ExcutSingleConver(uint8_t charg, uint8_t disch);
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/**
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* @brief 设置连续 ADC的周期
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*
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* @param cycle - 单位为 16个系统时钟
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*/
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void ADC_AutoConverCycle(uint8_t cycle);
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/**
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* @brief 配置DMA功能
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*
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* @param s - 是否打开DMA功能
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* @param startAddr - DMA 起始地址
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* @param endAddr - DMA 结束地址
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* @param m - 配置DMA模式
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*/
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void ADC_DMACfg(uint8_t s, uint32_t startAddr, uint32_t endAddr, ADC_DMAModeTypeDef m);
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/**
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* @brief Convert ADC value to temperature(Celsius)
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*
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* @param adc_val - adc value
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*
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* @return temperature (Celsius)
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*/
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int adc_to_temperature_celsius(uint16_t adc_val);
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/**
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* @brief 获取ADC转换值
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*
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* @return ADC转换值
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*/
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#define ADC_ReadConverValue() (R16_ADC_DATA)
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/**
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* @brief ADC执行单次转换
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*/
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#define ADC_StartUp() (R8_ADC_CONVERT |= RB_ADC_START)
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/**
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* @brief 获取ADC中断状态
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*/
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#define ADC_GetITStatus() (R8_ADC_INT_FLAG & RB_ADC_IF_EOC)
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/**
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* @brief 清除ADC中断标志
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*/
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#define ADC_ClearITFlag() (R8_ADC_CONVERT = R8_ADC_CONVERT)
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/**
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* @brief 获取ADC DMA完成状态
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*/
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#define ADC_GetDMAStatus() (R8_ADC_DMA_IF & RB_ADC_IF_DMA_END)
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/**
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* @brief 清除ADC DMA完成标志
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*/
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#define ADC_ClearDMAFlag() (R8_ADC_DMA_IF |= RB_ADC_IF_DMA_END)
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/**
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* @brief 开启定时间隔自动连续 ADC
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*/
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#define ADC_StartAutoDMA() (R8_ADC_CTRL_DMA |= RB_ADC_AUTO_EN)
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/**
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* @brief 停止定时间隔自动连续 ADC
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*/
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#define ADC_StopAutoDMA() (R8_ADC_CTRL_DMA &= ~RB_ADC_AUTO_EN)
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/**
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* @brief 开启连续转换 ADC
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*/
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#define ADC_StartContDMA() (R8_ADC_CTRL_DMA |= RB_ADC_CONT_EN)
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/**
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* @brief 停止连续转换 ADC
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*/
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#define ADC_StopContDMA() (R8_ADC_CTRL_DMA &= ~RB_ADC_CONT_EN)
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/**
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* @brief 关闭ADC电源
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*/
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#define ADC_DisablePower() (R8_ADC_CFG &= ~RB_ADC_POWER_ON)
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#ifdef __cplusplus
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}
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#endif
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#endif // __CH59x_ADC_H__
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